Biology MCQ: Practice Questions & Answers (Hindi) - Page 73

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1441.

Membranous infoling in bacteria that initiate DNA replication is

A

Nucleosome

B

Mesosomes

C

Carboxysome

D

Magnetosome

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1442.

In which plant, gametophytic phase is main and sporophytic phase is subsidiary

A

angiosperms

B

Bryophytes

C

pteridophytes

D

gymnosperms

BiologyEasyBiological Classification

1443.

If the seeds are formed from the megasporophylls and not enclosed in a fruits the plant belongs to

A

gymnosperm

B

pteridophyte

C

bryophytes

D

angiosperm

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1444.

Halophiles is also called

A

Archaebacteria

B

Eubacteria

C

Actinomyce

D

Cyanobacteria

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1445.

Fungi which grow in dung are termed as

A

Saxiphilous

B

Caprophilous

C

Tericolous

D

Sacxicolous

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1446.

Fruiting body is characteristic of

A

Pteridophyta

B

Algae

C

Lichens

D

Bryophyta

BiologyEasyBiological Classification

1447.

Extra chromosomal, circular, double stranded, self replicating DNA molecule in bacteria is called

A

Cosmid

B

Plasmid

C

Phasmid

D

Phagemid

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1448.

Example of blue green algae is in

A

Fungi

B

Monera

C

Protistae

D

Plantae

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1449.

Embryo is not formed in

A

Bryophytes

B

algae

C

gymnosperm

D

pteridophytes

BiologyEasyBiological Classification

1450.

Difference between Virus and Viroid is

A

Absence of protein coat in viroid but present in virus

B

Presence of low molecular weight RNA in the virus but absent in viroid

C

Both a and b

D

None of the above

BiologyEasyBiological Classification

1451.

Contagium vivum fluidum was proposed by

A

D.J.Ivanowsky

B

M.W.Beijerinek

C

Stanley

D

Robert Hook

BiologyEasyBiological Classification

1452.

Class dicotyledon is divided into

A

7 sub-classes

B

5 sub-classes

C

3 sub-classes

D

2 sub- classes

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1453.

Associations between Mycobiont and Phycobiont are found in

A

Mycorrhiza

B

Root

C

Lichens

D

BGA

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1454.

An association between roots of higher plants and fungi is called

A

Lichen

B

Fern

C

Mycorrhiza

D

BGA

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1455.

All the bacteria fix nitrogen except

A

Rhizobium

B

E Coli

C

Azotobacter

D

Cyanobacteria

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1456.

All fungi are

A

Autotrophs

B

Saprotrophs

C

Heterotrophs

D

Parasites

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1457.

All eukaryotic unicellular organisms belong to

A

Monera

B

Protista

C

Fungi

D

Bacteria

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1458.

African sleeping sickness is caused by

A

Giardia intestinalis

B

Leishmania

C

Trypanosoma

D

Entamoeba

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1459.

A virus contains

A

DNA

B

RNA

C

DNA or RNA

D

DNA and RNA

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1460.

A dikaryon is formed when

A

Meiosis is arrested

B

The two haploid cells do not fuse immediately

C

Cytoplasm does not fuse

D

None of the above

Biology : Practice Questions and Answers